70677740 has 48 divisors (see below), whose sum is σ = 170698752. Its totient is φ = 24079296.

The previous prime is 70677713. The next prime is 70677743. The reversal of 70677740 is 4777607.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70677694 and 70677703.

It is not an unprimeable number, because it can be changed into a prime (70677743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21869 + ... + 24891.

It is an arithmetic number, because the mean of its divisors is an integer number (3556224).

Almost surely, 2^70677740 is an apocalyptic number.

70677740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70677740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85349376).

70677740 is an abundant number, since it is smaller than the sum of its proper divisors (100021012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70677740 is a wasteful number, since it uses less digits than its factorization.

70677740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206 (or 3204 counting only the distinct ones).

The product of its (nonzero) digits is 57624, while the sum is 38.

The square root of 70677740 is about 8407.0054121548. The cubic root of 70677740 is about 413.4543364656.

It can be divided in two parts, 70677 and 740, that added together give a palindrome (71417).

The spelling of 70677740 in words is "seventy million, six hundred seventy-seven thousand, seven hundred forty".